.auth-callback-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
}

.loading-content {
  text-align: center;
  color: white;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-content p {
  font-size: 18px;
  margin: 0;
  font-weight: 500;
}

.error-content {
  text-align: center;
  color: white;
  background: rgba(255, 255, 255, 0.1);
  padding: 40px;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  max-width: 400px;
  width: 100%;
}

.error-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.error-content h3 {
  margin: 0 0 16px 0;
  font-size: 24px;
  font-weight: 600;
}

.error-content p {
  margin: 0 0 24px 0;
  font-size: 16px;
  line-height: 1.5;
  opacity: 0.9;
}

.retry-button {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.retry-button:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.retry-button:active {
  transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .auth-callback-container {
    padding: 16px;
  }
  
  .error-content {
    padding: 30px 20px;
  }
  
  .error-content h3 {
    font-size: 20px;
  }
  
  .error-content p {
    font-size: 14px;
  }
  
  .retry-button {
    padding: 10px 20px;
    font-size: 14px;
  }
}






